Home / 52,278.42-78,370.10-18,984.18

Finding the Fourth Proportional to 52,278.42, 78,370.10 and 18,984.18

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Solution

The fourth proportional to 52,278.42, 78,370.10 and 18,984.18 is: 28,459.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,278.42 : 78,370.10 = 18,984.18 : x
  2. Step 2: Convert to fraction form
    52,278.42/78,370.10 = 18,984.18/x
  3. Step 3: Cross multiply
    52,278.42x = 78,370.10 × 18,984.18
  4. Step 4: Simplify right side
    52,278.42x = 1,487,792,085.02
  5. Step 5: Solve for x
    x = 1,487,792,085.02/52,278.42
  6. Step 6: Final answer
    x = 28,459.01

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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.