Home / 30,065.52-45,089.16-10,332.72

Finding the Fourth Proportional to 30,065.52, 45,089.16 and 10,332.72

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Solution

The fourth proportional to 30,065.52, 45,089.16 and 10,332.72 is: 15,495.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,065.52 : 45,089.16 = 10,332.72 : x
  2. Step 2: Convert to fraction form
    30,065.52/45,089.16 = 10,332.72/x
  3. Step 3: Cross multiply
    30,065.52x = 45,089.16 × 10,332.72
  4. Step 4: Simplify right side
    30,065.52x = 465,893,665.32
  5. Step 5: Solve for x
    x = 465,893,665.32/30,065.52
  6. Step 6: Final answer
    x = 15,495.95

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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.