Home / 40,439.88-55,807.64-23,445.40

Finding the Fourth Proportional to 40,439.88, 55,807.64 and 23,445.40

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Solution

The fourth proportional to 40,439.88, 55,807.64 and 23,445.40 is: 32,355.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,439.88 : 55,807.64 = 23,445.40 : x
  2. Step 2: Convert to fraction form
    40,439.88/55,807.64 = 23,445.40/x
  3. Step 3: Cross multiply
    40,439.88x = 55,807.64 × 23,445.40
  4. Step 4: Simplify right side
    40,439.88x = 1,308,432,442.86
  5. Step 5: Solve for x
    x = 1,308,432,442.86/40,439.88
  6. Step 6: Final answer
    x = 32,355.00

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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.