Home / 31,006.80-46,510.20-28,601.10

Finding the Fourth Proportional to 31,006.80, 46,510.20 and 28,601.10

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Solution

The fourth proportional to 31,006.80, 46,510.20 and 28,601.10 is: 42,901.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,006.80 : 46,510.20 = 28,601.10 : x
  2. Step 2: Convert to fraction form
    31,006.80/46,510.20 = 28,601.10/x
  3. Step 3: Cross multiply
    31,006.80x = 46,510.20 × 28,601.10
  4. Step 4: Simplify right side
    31,006.80x = 1,330,242,881.22
  5. Step 5: Solve for x
    x = 1,330,242,881.22/31,006.80
  6. Step 6: Final answer
    x = 42,901.65

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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.