Home / 31,124.18-46,686.28-10,347.68

Finding the Fourth Proportional to 31,124.18, 46,686.28 and 10,347.68

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Solution

The fourth proportional to 31,124.18, 46,686.28 and 10,347.68 is: 15,521.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,124.18 : 46,686.28 = 10,347.68 : x
  2. Step 2: Convert to fraction form
    31,124.18/46,686.28 = 10,347.68/x
  3. Step 3: Cross multiply
    31,124.18x = 46,686.28 × 10,347.68
  4. Step 4: Simplify right side
    31,124.18x = 483,094,685.83
  5. Step 5: Solve for x
    x = 483,094,685.83/31,124.18
  6. Step 6: Final answer
    x = 15,521.52

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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.