Home / 56,017.02-77,251.56-40,885.72

Finding the Fourth Proportional to 56,017.02, 77,251.56 and 40,885.72

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Solution

The fourth proportional to 56,017.02, 77,251.56 and 40,885.72 is: 56,384.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,017.02 : 77,251.56 = 40,885.72 : x
  2. Step 2: Convert to fraction form
    56,017.02/77,251.56 = 40,885.72/x
  3. Step 3: Cross multiply
    56,017.02x = 77,251.56 × 40,885.72
  4. Step 4: Simplify right side
    56,017.02x = 3,158,485,651.72
  5. Step 5: Solve for x
    x = 3,158,485,651.72/56,017.02
  6. Step 6: Final answer
    x = 56,384.39

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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.