Home / 42,643.17-58,871.64-29,569.77

Finding the Fourth Proportional to 42,643.17, 58,871.64 and 29,569.77

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Solution

The fourth proportional to 42,643.17, 58,871.64 and 29,569.77 is: 40,822.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,643.17 : 58,871.64 = 29,569.77 : x
  2. Step 2: Convert to fraction form
    42,643.17/58,871.64 = 29,569.77/x
  3. Step 3: Cross multiply
    42,643.17x = 58,871.64 × 29,569.77
  4. Step 4: Simplify right side
    42,643.17x = 1,740,820,854.32
  5. Step 5: Solve for x
    x = 1,740,820,854.32/42,643.17
  6. Step 6: Final answer
    x = 40,822.97

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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.