Home / 39,032.02-53,864.19-21,127.03

Finding the Fourth Proportional to 39,032.02, 53,864.19 and 21,127.03

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Solution

The fourth proportional to 39,032.02, 53,864.19 and 21,127.03 is: 29,155.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,032.02 : 53,864.19 = 21,127.03 : x
  2. Step 2: Convert to fraction form
    39,032.02/53,864.19 = 21,127.03/x
  3. Step 3: Cross multiply
    39,032.02x = 53,864.19 × 21,127.03
  4. Step 4: Simplify right side
    39,032.02x = 1,137,990,333.26
  5. Step 5: Solve for x
    x = 1,137,990,333.26/39,032.02
  6. Step 6: Final answer
    x = 29,155.30

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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.