Home / 56,014.68-77,300.60-30,864.20

Finding the Fourth Proportional to 56,014.68, 77,300.60 and 30,864.20

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Solution

The fourth proportional to 56,014.68, 77,300.60 and 30,864.20 is: 42,592.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,014.68 : 77,300.60 = 30,864.20 : x
  2. Step 2: Convert to fraction form
    56,014.68/77,300.60 = 30,864.20/x
  3. Step 3: Cross multiply
    56,014.68x = 77,300.60 × 30,864.20
  4. Step 4: Simplify right side
    56,014.68x = 2,385,821,178.52
  5. Step 5: Solve for x
    x = 2,385,821,178.52/56,014.68
  6. Step 6: Final answer
    x = 42,592.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.