Home / 30,332.81-45,508.20-15,552.10

Finding the Fourth Proportional to 30,332.81, 45,508.20 and 15,552.10

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Solution

The fourth proportional to 30,332.81, 45,508.20 and 15,552.10 is: 23,332.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,332.81 : 45,508.20 = 15,552.10 : x
  2. Step 2: Convert to fraction form
    30,332.81/45,508.20 = 15,552.10/x
  3. Step 3: Cross multiply
    30,332.81x = 45,508.20 × 15,552.10
  4. Step 4: Simplify right side
    30,332.81x = 707,748,075.78
  5. Step 5: Solve for x
    x = 707,748,075.78/30,332.81
  6. Step 6: Final answer
    x = 23,332.75

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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.