Home / 30,478.48-45,646.63-29,637.51

Finding the Fourth Proportional to 30,478.48, 45,646.63 and 29,637.51

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Solution

The fourth proportional to 30,478.48, 45,646.63 and 29,637.51 is: 44,387.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,478.48 : 45,646.63 = 29,637.51 : x
  2. Step 2: Convert to fraction form
    30,478.48/45,646.63 = 29,637.51/x
  3. Step 3: Cross multiply
    30,478.48x = 45,646.63 × 29,637.51
  4. Step 4: Simplify right side
    30,478.48x = 1,352,852,453.09
  5. Step 5: Solve for x
    x = 1,352,852,453.09/30,478.48
  6. Step 6: Final answer
    x = 44,387.14

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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.