Home / 42,252.56-63,370.76-12,670.40

Finding the Fourth Proportional to 42,252.56, 63,370.76 and 12,670.40

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Solution

The fourth proportional to 42,252.56, 63,370.76 and 12,670.40 is: 19,003.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,252.56 : 63,370.76 = 12,670.40 : x
  2. Step 2: Convert to fraction form
    42,252.56/63,370.76 = 12,670.40/x
  3. Step 3: Cross multiply
    42,252.56x = 63,370.76 × 12,670.40
  4. Step 4: Simplify right side
    42,252.56x = 802,932,877.50
  5. Step 5: Solve for x
    x = 802,932,877.50/42,252.56
  6. Step 6: Final answer
    x = 19,003.18

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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.