Home / 31,726.40-47,547.60-16,903.40

Finding the Fourth Proportional to 31,726.40, 47,547.60 and 16,903.40

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Solution

The fourth proportional to 31,726.40, 47,547.60 and 16,903.40 is: 25,332.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,726.40 : 47,547.60 = 16,903.40 : x
  2. Step 2: Convert to fraction form
    31,726.40/47,547.60 = 16,903.40/x
  3. Step 3: Cross multiply
    31,726.40x = 47,547.60 × 16,903.40
  4. Step 4: Simplify right side
    31,726.40x = 803,716,101.84
  5. Step 5: Solve for x
    x = 803,716,101.84/31,726.40
  6. Step 6: Final answer
    x = 25,332.72

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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.