Home / 52,152.72-71,970.36-28,279.32

Finding the Fourth Proportional to 52,152.72, 71,970.36 and 28,279.32

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Solution

The fourth proportional to 52,152.72, 71,970.36 and 28,279.32 is: 39,025.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,152.72 : 71,970.36 = 28,279.32 : x
  2. Step 2: Convert to fraction form
    52,152.72/71,970.36 = 28,279.32/x
  3. Step 3: Cross multiply
    52,152.72x = 71,970.36 × 28,279.32
  4. Step 4: Simplify right side
    52,152.72x = 2,035,272,840.96
  5. Step 5: Solve for x
    x = 2,035,272,840.96/52,152.72
  6. Step 6: Final answer
    x = 39,025.25

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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.