Home / 46,981.28-70,472.16-15,816.80

Finding the Fourth Proportional to 46,981.28, 70,472.16 and 15,816.80

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Solution

The fourth proportional to 46,981.28, 70,472.16 and 15,816.80 is: 23,725.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,981.28 : 70,472.16 = 15,816.80 : x
  2. Step 2: Convert to fraction form
    46,981.28/70,472.16 = 15,816.80/x
  3. Step 3: Cross multiply
    46,981.28x = 70,472.16 × 15,816.80
  4. Step 4: Simplify right side
    46,981.28x = 1,114,644,060.29
  5. Step 5: Solve for x
    x = 1,114,644,060.29/46,981.28
  6. Step 6: Final answer
    x = 23,725.28

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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.