Home / 47,002.29-70,487.01-18,915.06

Finding the Fourth Proportional to 47,002.29, 70,487.01 and 18,915.06

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Solution

The fourth proportional to 47,002.29, 70,487.01 and 18,915.06 is: 28,365.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,002.29 : 70,487.01 = 18,915.06 : x
  2. Step 2: Convert to fraction form
    47,002.29/70,487.01 = 18,915.06/x
  3. Step 3: Cross multiply
    47,002.29x = 70,487.01 × 18,915.06
  4. Step 4: Simplify right side
    47,002.29x = 1,333,266,023.37
  5. Step 5: Solve for x
    x = 1,333,266,023.37/47,002.29
  6. Step 6: Final answer
    x = 28,365.98

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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.