Home / 31,715.19-47,561.31-10,648.94

Finding the Fourth Proportional to 31,715.19, 47,561.31 and 10,648.94

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Solution

The fourth proportional to 31,715.19, 47,561.31 and 10,648.94 is: 15,969.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,715.19 : 47,561.31 = 10,648.94 : x
  2. Step 2: Convert to fraction form
    31,715.19/47,561.31 = 10,648.94/x
  3. Step 3: Cross multiply
    31,715.19x = 47,561.31 × 10,648.94
  4. Step 4: Simplify right side
    31,715.19x = 506,477,298.70
  5. Step 5: Solve for x
    x = 506,477,298.70/31,715.19
  6. Step 6: Final answer
    x = 15,969.55

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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.