Home / 31,280.02-46,920.12-7,587.48

Finding the Fourth Proportional to 31,280.02, 46,920.12 and 7,587.48

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Solution

The fourth proportional to 31,280.02, 46,920.12 and 7,587.48 is: 11,381.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,280.02 : 46,920.12 = 7,587.48 : x
  2. Step 2: Convert to fraction form
    31,280.02/46,920.12 = 7,587.48/x
  3. Step 3: Cross multiply
    31,280.02x = 46,920.12 × 7,587.48
  4. Step 4: Simplify right side
    31,280.02x = 356,005,472.10
  5. Step 5: Solve for x
    x = 356,005,472.10/31,280.02
  6. Step 6: Final answer
    x = 11,381.24

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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.