Home / 56,319.24-77,729.28-32,120.24

Finding the Fourth Proportional to 56,319.24, 77,729.28 and 32,120.24

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Solution

The fourth proportional to 56,319.24, 77,729.28 and 32,120.24 is: 44,330.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,319.24 : 77,729.28 = 32,120.24 : x
  2. Step 2: Convert to fraction form
    56,319.24/77,729.28 = 32,120.24/x
  3. Step 3: Cross multiply
    56,319.24x = 77,729.28 × 32,120.24
  4. Step 4: Simplify right side
    56,319.24x = 2,496,683,128.63
  5. Step 5: Solve for x
    x = 2,496,683,128.63/56,319.24
  6. Step 6: Final answer
    x = 44,330.91

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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.