Home / 53,552.40-80,328.60-39,728.40

Finding the Fourth Proportional to 53,552.40, 80,328.60 and 39,728.40

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Solution

The fourth proportional to 53,552.40, 80,328.60 and 39,728.40 is: 59,592.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,552.40 : 80,328.60 = 39,728.40 : x
  2. Step 2: Convert to fraction form
    53,552.40/80,328.60 = 39,728.40/x
  3. Step 3: Cross multiply
    53,552.40x = 80,328.60 × 39,728.40
  4. Step 4: Simplify right side
    53,552.40x = 3,191,326,752.24
  5. Step 5: Solve for x
    x = 3,191,326,752.24/53,552.40
  6. Step 6: Final answer
    x = 59,592.60

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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.