Home / 52,011.95-78,062.16-20,444.12

Finding the Fourth Proportional to 52,011.95, 78,062.16 and 20,444.12

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Solution

The fourth proportional to 52,011.95, 78,062.16 and 20,444.12 is: 30,683.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,011.95 : 78,062.16 = 20,444.12 : x
  2. Step 2: Convert to fraction form
    52,011.95/78,062.16 = 20,444.12/x
  3. Step 3: Cross multiply
    52,011.95x = 78,062.16 × 20,444.12
  4. Step 4: Simplify right side
    52,011.95x = 1,595,912,192.64
  5. Step 5: Solve for x
    x = 1,595,912,192.64/52,011.95
  6. Step 6: Final answer
    x = 30,683.57

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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.