Home / 47,264.94-70,913.88-20,988.18

Finding the Fourth Proportional to 47,264.94, 70,913.88 and 20,988.18

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Solution

The fourth proportional to 47,264.94, 70,913.88 and 20,988.18 is: 31,489.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,264.94 : 70,913.88 = 20,988.18 : x
  2. Step 2: Convert to fraction form
    47,264.94/70,913.88 = 20,988.18/x
  3. Step 3: Cross multiply
    47,264.94x = 70,913.88 × 20,988.18
  4. Step 4: Simplify right side
    47,264.94x = 1,488,353,277.94
  5. Step 5: Solve for x
    x = 1,488,353,277.94/47,264.94
  6. Step 6: Final answer
    x = 31,489.58

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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.