Home / 42,868.02-59,178.36-28,551.66

Finding the Fourth Proportional to 42,868.02, 59,178.36 and 28,551.66

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Solution

The fourth proportional to 42,868.02, 59,178.36 and 28,551.66 is: 39,414.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,868.02 : 59,178.36 = 28,551.66 : x
  2. Step 2: Convert to fraction form
    42,868.02/59,178.36 = 28,551.66/x
  3. Step 3: Cross multiply
    42,868.02x = 59,178.36 × 28,551.66
  4. Step 4: Simplify right side
    42,868.02x = 1,689,640,414.08
  5. Step 5: Solve for x
    x = 1,689,640,414.08/42,868.02
  6. Step 6: Final answer
    x = 39,414.94

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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.