Home / 31,946.80-47,928.48-15,319.66

Finding the Fourth Proportional to 31,946.80, 47,928.48 and 15,319.66

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Solution

The fourth proportional to 31,946.80, 47,928.48 and 15,319.66 is: 22,983.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,946.80 : 47,928.48 = 15,319.66 : x
  2. Step 2: Convert to fraction form
    31,946.80/47,928.48 = 15,319.66/x
  3. Step 3: Cross multiply
    31,946.80x = 47,928.48 × 15,319.66
  4. Step 4: Simplify right side
    31,946.80x = 734,248,017.92
  5. Step 5: Solve for x
    x = 734,248,017.92/31,946.80
  6. Step 6: Final answer
    x = 22,983.46

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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.