Home / 51,614.60-77,421.90-48,115.40

Finding the Fourth Proportional to 51,614.60, 77,421.90 and 48,115.40

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Solution

The fourth proportional to 51,614.60, 77,421.90 and 48,115.40 is: 72,173.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,614.60 : 77,421.90 = 48,115.40 : x
  2. Step 2: Convert to fraction form
    51,614.60/77,421.90 = 48,115.40/x
  3. Step 3: Cross multiply
    51,614.60x = 77,421.90 × 48,115.40
  4. Step 4: Simplify right side
    51,614.60x = 3,725,185,687.26
  5. Step 5: Solve for x
    x = 3,725,185,687.26/51,614.60
  6. Step 6: Final answer
    x = 72,173.10

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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.