Home / 31,653.74-47,463.08-12,946.92

Finding the Fourth Proportional to 31,653.74, 47,463.08 and 12,946.92

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Solution

The fourth proportional to 31,653.74, 47,463.08 and 12,946.92 is: 19,413.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,653.74 : 47,463.08 = 12,946.92 : x
  2. Step 2: Convert to fraction form
    31,653.74/47,463.08 = 12,946.92/x
  3. Step 3: Cross multiply
    31,653.74x = 47,463.08 × 12,946.92
  4. Step 4: Simplify right side
    31,653.74x = 614,500,510.95
  5. Step 5: Solve for x
    x = 614,500,510.95/31,653.74
  6. Step 6: Final answer
    x = 19,413.20

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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.