Home / 58,145.40-80,219.88-38,013.84

Finding the Fourth Proportional to 58,145.40, 80,219.88 and 38,013.84

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Solution

The fourth proportional to 58,145.40, 80,219.88 and 38,013.84 is: 52,445.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,145.40 : 80,219.88 = 38,013.84 : x
  2. Step 2: Convert to fraction form
    58,145.40/80,219.88 = 38,013.84/x
  3. Step 3: Cross multiply
    58,145.40x = 80,219.88 × 38,013.84
  4. Step 4: Simplify right side
    58,145.40x = 3,049,465,683.14
  5. Step 5: Solve for x
    x = 3,049,465,683.14/58,145.40
  6. Step 6: Final answer
    x = 52,445.52

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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.