Home / 30,637.48-45,957.42-13,998.46

Finding the Fourth Proportional to 30,637.48, 45,957.42 and 13,998.46

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Solution

The fourth proportional to 30,637.48, 45,957.42 and 13,998.46 is: 20,998.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,637.48 : 45,957.42 = 13,998.46 : x
  2. Step 2: Convert to fraction form
    30,637.48/45,957.42 = 13,998.46/x
  3. Step 3: Cross multiply
    30,637.48x = 45,957.42 × 13,998.46
  4. Step 4: Simplify right side
    30,637.48x = 643,333,105.57
  5. Step 5: Solve for x
    x = 643,333,105.57/30,637.48
  6. Step 6: Final answer
    x = 20,998.24

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.