Home / 42,374.08-63,561.56-12,792.16

Finding the Fourth Proportional to 42,374.08, 63,561.56 and 12,792.16

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Solution

The fourth proportional to 42,374.08, 63,561.56 and 12,792.16 is: 19,188.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,374.08 : 63,561.56 = 12,792.16 : x
  2. Step 2: Convert to fraction form
    42,374.08/63,561.56 = 12,792.16/x
  3. Step 3: Cross multiply
    42,374.08x = 63,561.56 × 12,792.16
  4. Step 4: Simplify right side
    42,374.08x = 813,089,645.37
  5. Step 5: Solve for x
    x = 813,089,645.37/42,374.08
  6. Step 6: Final answer
    x = 19,188.37

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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.