Home / 39,032.04-53,864.34-21,127.02

Finding the Fourth Proportional to 39,032.04, 53,864.34 and 21,127.02

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Solution

The fourth proportional to 39,032.04, 53,864.34 and 21,127.02 is: 29,155.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,032.04 : 53,864.34 = 21,127.02 : x
  2. Step 2: Convert to fraction form
    39,032.04/53,864.34 = 21,127.02/x
  3. Step 3: Cross multiply
    39,032.04x = 53,864.34 × 21,127.02
  4. Step 4: Simplify right side
    39,032.04x = 1,137,992,988.47
  5. Step 5: Solve for x
    x = 1,137,992,988.47/39,032.04
  6. Step 6: Final answer
    x = 29,155.36

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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.