Home / 56,175.12-77,521.64-31,024.40

Finding the Fourth Proportional to 56,175.12, 77,521.64 and 31,024.40

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Solution

The fourth proportional to 56,175.12, 77,521.64 and 31,024.40 is: 42,813.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,175.12 : 77,521.64 = 31,024.40 : x
  2. Step 2: Convert to fraction form
    56,175.12/77,521.64 = 31,024.40/x
  3. Step 3: Cross multiply
    56,175.12x = 77,521.64 × 31,024.40
  4. Step 4: Simplify right side
    56,175.12x = 2,405,062,368.02
  5. Step 5: Solve for x
    x = 2,405,062,368.02/56,175.12
  6. Step 6: Final answer
    x = 42,813.66

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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.