Home / 31,342.86-46,970.10-17,309.21

Finding the Fourth Proportional to 31,342.86, 46,970.10 and 17,309.21

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Solution

The fourth proportional to 31,342.86, 46,970.10 and 17,309.21 is: 25,939.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,342.86 : 46,970.10 = 17,309.21 : x
  2. Step 2: Convert to fraction form
    31,342.86/46,970.10 = 17,309.21/x
  3. Step 3: Cross multiply
    31,342.86x = 46,970.10 × 17,309.21
  4. Step 4: Simplify right side
    31,342.86x = 813,015,089.77
  5. Step 5: Solve for x
    x = 813,015,089.77/31,342.86
  6. Step 6: Final answer
    x = 25,939.40

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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.