Home / 52,407.86-72,185.10-40,285.16

Finding the Fourth Proportional to 52,407.86, 72,185.10 and 40,285.16

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Solution

The fourth proportional to 52,407.86, 72,185.10 and 40,285.16 is: 55,487.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,407.86 : 72,185.10 = 40,285.16 : x
  2. Step 2: Convert to fraction form
    52,407.86/72,185.10 = 40,285.16/x
  3. Step 3: Cross multiply
    52,407.86x = 72,185.10 × 40,285.16
  4. Step 4: Simplify right side
    52,407.86x = 2,907,988,303.12
  5. Step 5: Solve for x
    x = 2,907,988,303.12/52,407.86
  6. Step 6: Final answer
    x = 55,487.64

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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.