Home / 32,875.80-45,369.10-18,728.34

Finding the Fourth Proportional to 32,875.80, 45,369.10 and 18,728.34

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Solution

The fourth proportional to 32,875.80, 45,369.10 and 18,728.34 is: 25,845.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,875.80 : 45,369.10 = 18,728.34 : x
  2. Step 2: Convert to fraction form
    32,875.80/45,369.10 = 18,728.34/x
  3. Step 3: Cross multiply
    32,875.80x = 45,369.10 × 18,728.34
  4. Step 4: Simplify right side
    32,875.80x = 849,687,930.29
  5. Step 5: Solve for x
    x = 849,687,930.29/32,875.80
  6. Step 6: Final answer
    x = 25,845.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.