Home / 56,422.16-77,862.60-31,271.12

Finding the Fourth Proportional to 56,422.16, 77,862.60 and 31,271.12

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Solution

The fourth proportional to 56,422.16, 77,862.60 and 31,271.12 is: 43,154.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,422.16 : 77,862.60 = 31,271.12 : x
  2. Step 2: Convert to fraction form
    56,422.16/77,862.60 = 31,271.12/x
  3. Step 3: Cross multiply
    56,422.16x = 77,862.60 × 31,271.12
  4. Step 4: Simplify right side
    56,422.16x = 2,434,850,708.11
  5. Step 5: Solve for x
    x = 2,434,850,708.11/56,422.16
  6. Step 6: Final answer
    x = 43,154.16

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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.