Home / 45,011.93-67,521.18-15,429.52

Finding the Fourth Proportional to 45,011.93, 67,521.18 and 15,429.52

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Solution

The fourth proportional to 45,011.93, 67,521.18 and 15,429.52 is: 23,145.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,011.93 : 67,521.18 = 15,429.52 : x
  2. Step 2: Convert to fraction form
    45,011.93/67,521.18 = 15,429.52/x
  3. Step 3: Cross multiply
    45,011.93x = 67,521.18 × 15,429.52
  4. Step 4: Simplify right side
    45,011.93x = 1,041,819,059.63
  5. Step 5: Solve for x
    x = 1,041,819,059.63/45,011.93
  6. Step 6: Final answer
    x = 23,145.40

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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.