Home / 31,547.32-47,320.68-9,360.76

Finding the Fourth Proportional to 31,547.32, 47,320.68 and 9,360.76

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Solution

The fourth proportional to 31,547.32, 47,320.68 and 9,360.76 is: 14,041.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,547.32 : 47,320.68 = 9,360.76 : x
  2. Step 2: Convert to fraction form
    31,547.32/47,320.68 = 9,360.76/x
  3. Step 3: Cross multiply
    31,547.32x = 47,320.68 × 9,360.76
  4. Step 4: Simplify right side
    31,547.32x = 442,957,528.52
  5. Step 5: Solve for x
    x = 442,957,528.52/31,547.32
  6. Step 6: Final answer
    x = 14,041.05

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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.