Home / 56,258.76-77,636.98-31,108.24

Finding the Fourth Proportional to 56,258.76, 77,636.98 and 31,108.24

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Solution

The fourth proportional to 56,258.76, 77,636.98 and 31,108.24 is: 42,929.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,258.76 : 77,636.98 = 31,108.24 : x
  2. Step 2: Convert to fraction form
    56,258.76/77,636.98 = 31,108.24/x
  3. Step 3: Cross multiply
    56,258.76x = 77,636.98 × 31,108.24
  4. Step 4: Simplify right side
    56,258.76x = 2,415,149,806.72
  5. Step 5: Solve for x
    x = 2,415,149,806.72/56,258.76
  6. Step 6: Final answer
    x = 42,929.31

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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.