Home / 53,646.80-80,470.20-18,587.60

Finding the Fourth Proportional to 53,646.80, 80,470.20 and 18,587.60

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Solution

The fourth proportional to 53,646.80, 80,470.20 and 18,587.60 is: 27,881.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,646.80 : 80,470.20 = 18,587.60 : x
  2. Step 2: Convert to fraction form
    53,646.80/80,470.20 = 18,587.60/x
  3. Step 3: Cross multiply
    53,646.80x = 80,470.20 × 18,587.60
  4. Step 4: Simplify right side
    53,646.80x = 1,495,747,889.52
  5. Step 5: Solve for x
    x = 1,495,747,889.52/53,646.80
  6. Step 6: Final answer
    x = 27,881.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.