Home / 35,417.25-48,871.55-20,309.13

Finding the Fourth Proportional to 35,417.25, 48,871.55 and 20,309.13

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Solution

The fourth proportional to 35,417.25, 48,871.55 and 20,309.13 is: 28,024.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,417.25 : 48,871.55 = 20,309.13 : x
  2. Step 2: Convert to fraction form
    35,417.25/48,871.55 = 20,309.13/x
  3. Step 3: Cross multiply
    35,417.25x = 48,871.55 × 20,309.13
  4. Step 4: Simplify right side
    35,417.25x = 992,538,713.02
  5. Step 5: Solve for x
    x = 992,538,713.02/35,417.25
  6. Step 6: Final answer
    x = 28,024.16

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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.