Home / 42,455.04-58,569.12-28,294.08

Finding the Fourth Proportional to 42,455.04, 58,569.12 and 28,294.08

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Solution

The fourth proportional to 42,455.04, 58,569.12 and 28,294.08 is: 39,033.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,455.04 : 58,569.12 = 28,294.08 : x
  2. Step 2: Convert to fraction form
    42,455.04/58,569.12 = 28,294.08/x
  3. Step 3: Cross multiply
    42,455.04x = 58,569.12 × 28,294.08
  4. Step 4: Simplify right side
    42,455.04x = 1,657,159,366.81
  5. Step 5: Solve for x
    x = 1,657,159,366.81/42,455.04
  6. Step 6: Final answer
    x = 39,033.28

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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.