Home / 42,490.08-58,652.64-28,337.76

Finding the Fourth Proportional to 42,490.08, 58,652.64 and 28,337.76

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Solution

The fourth proportional to 42,490.08, 58,652.64 and 28,337.76 is: 39,117.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,490.08 : 58,652.64 = 28,337.76 : x
  2. Step 2: Convert to fraction form
    42,490.08/58,652.64 = 28,337.76/x
  3. Step 3: Cross multiply
    42,490.08x = 58,652.64 × 28,337.76
  4. Step 4: Simplify right side
    42,490.08x = 1,662,084,435.69
  5. Step 5: Solve for x
    x = 1,662,084,435.69/42,490.08
  6. Step 6: Final answer
    x = 39,117.00

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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.