Home / 42,024.29-63,036.63-12,442.68

Finding the Fourth Proportional to 42,024.29, 63,036.63 and 12,442.68

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Solution

The fourth proportional to 42,024.29, 63,036.63 and 12,442.68 is: 18,664.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,024.29 : 63,036.63 = 12,442.68 : x
  2. Step 2: Convert to fraction form
    42,024.29/63,036.63 = 12,442.68/x
  3. Step 3: Cross multiply
    42,024.29x = 63,036.63 × 12,442.68
  4. Step 4: Simplify right side
    42,024.29x = 784,344,615.37
  5. Step 5: Solve for x
    x = 784,344,615.37/42,024.29
  6. Step 6: Final answer
    x = 18,664.08

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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.