Home / 47,037.66-70,538.70-18,948.18

Finding the Fourth Proportional to 47,037.66, 70,538.70 and 18,948.18

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Solution

The fourth proportional to 47,037.66, 70,538.70 and 18,948.18 is: 28,415.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,037.66 : 70,538.70 = 18,948.18 : x
  2. Step 2: Convert to fraction form
    47,037.66/70,538.70 = 18,948.18/x
  3. Step 3: Cross multiply
    47,037.66x = 70,538.70 × 18,948.18
  4. Step 4: Simplify right side
    47,037.66x = 1,336,579,984.57
  5. Step 5: Solve for x
    x = 1,336,579,984.57/47,037.66
  6. Step 6: Final answer
    x = 28,415.10

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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.