Home / 40,779.16-56,274.36-22,873.78

Finding the Fourth Proportional to 40,779.16, 56,274.36 and 22,873.78

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Solution

The fourth proportional to 40,779.16, 56,274.36 and 22,873.78 is: 31,565.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,779.16 : 56,274.36 = 22,873.78 : x
  2. Step 2: Convert to fraction form
    40,779.16/56,274.36 = 22,873.78/x
  3. Step 3: Cross multiply
    40,779.16x = 56,274.36 × 22,873.78
  4. Step 4: Simplify right side
    40,779.16x = 1,287,207,330.28
  5. Step 5: Solve for x
    x = 1,287,207,330.28/40,779.16
  6. Step 6: Final answer
    x = 31,565.32

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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.