Home / 40,779.60-56,278.08-22,880.28

Finding the Fourth Proportional to 40,779.60, 56,278.08 and 22,880.28

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Solution

The fourth proportional to 40,779.60, 56,278.08 and 22,880.28 is: 31,576.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,779.60 : 56,278.08 = 22,880.28 : x
  2. Step 2: Convert to fraction form
    40,779.60/56,278.08 = 22,880.28/x
  3. Step 3: Cross multiply
    40,779.60x = 56,278.08 × 22,880.28
  4. Step 4: Simplify right side
    40,779.60x = 1,287,658,228.26
  5. Step 5: Solve for x
    x = 1,287,658,228.26/40,779.60
  6. Step 6: Final answer
    x = 31,576.04

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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.