Home / 58,276.16-87,414.40-18,836.80

Finding the Fourth Proportional to 58,276.16, 87,414.40 and 18,836.80

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Solution

The fourth proportional to 58,276.16, 87,414.40 and 18,836.80 is: 28,255.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,276.16 : 87,414.40 = 18,836.80 : x
  2. Step 2: Convert to fraction form
    58,276.16/87,414.40 = 18,836.80/x
  3. Step 3: Cross multiply
    58,276.16x = 87,414.40 × 18,836.80
  4. Step 4: Simplify right side
    58,276.16x = 1,646,607,569.92
  5. Step 5: Solve for x
    x = 1,646,607,569.92/58,276.16
  6. Step 6: Final answer
    x = 28,255.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.