Home / 58,320.78-87,471.45-18,872.16

Finding the Fourth Proportional to 58,320.78, 87,471.45 and 18,872.16

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Solution

The fourth proportional to 58,320.78, 87,471.45 and 18,872.16 is: 28,305.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,320.78 : 87,471.45 = 18,872.16 : x
  2. Step 2: Convert to fraction form
    58,320.78/87,471.45 = 18,872.16/x
  3. Step 3: Cross multiply
    58,320.78x = 87,471.45 × 18,872.16
  4. Step 4: Simplify right side
    58,320.78x = 1,650,775,199.83
  5. Step 5: Solve for x
    x = 1,650,775,199.83/58,320.78
  6. Step 6: Final answer
    x = 28,305.09

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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.