Home / 47,146.95-70,705.31-15,549.92

Finding the Fourth Proportional to 47,146.95, 70,705.31 and 15,549.92

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Solution

The fourth proportional to 47,146.95, 70,705.31 and 15,549.92 is: 23,319.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,146.95 : 70,705.31 = 15,549.92 : x
  2. Step 2: Convert to fraction form
    47,146.95/70,705.31 = 15,549.92/x
  3. Step 3: Cross multiply
    47,146.95x = 70,705.31 × 15,549.92
  4. Step 4: Simplify right side
    47,146.95x = 1,099,461,482.80
  5. Step 5: Solve for x
    x = 1,099,461,482.80/47,146.95
  6. Step 6: Final answer
    x = 23,319.89

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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.