Home / 51,720.04-77,614.08-28,362.88

Finding the Fourth Proportional to 51,720.04, 77,614.08 and 28,362.88

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Solution

The fourth proportional to 51,720.04, 77,614.08 and 28,362.88 is: 42,562.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,720.04 : 77,614.08 = 28,362.88 : x
  2. Step 2: Convert to fraction form
    51,720.04/77,614.08 = 28,362.88/x
  3. Step 3: Cross multiply
    51,720.04x = 77,614.08 × 28,362.88
  4. Step 4: Simplify right side
    51,720.04x = 2,201,358,837.35
  5. Step 5: Solve for x
    x = 2,201,358,837.35/51,720.04
  6. Step 6: Final answer
    x = 42,562.98

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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.