Home / 31,320.74-46,947.08-14,670.38

Finding the Fourth Proportional to 31,320.74, 46,947.08 and 14,670.38

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Solution

The fourth proportional to 31,320.74, 46,947.08 and 14,670.38 is: 21,989.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,320.74 : 46,947.08 = 14,670.38 : x
  2. Step 2: Convert to fraction form
    31,320.74/46,947.08 = 14,670.38/x
  3. Step 3: Cross multiply
    31,320.74x = 46,947.08 × 14,670.38
  4. Step 4: Simplify right side
    31,320.74x = 688,731,503.49
  5. Step 5: Solve for x
    x = 688,731,503.49/31,320.74
  6. Step 6: Final answer
    x = 21,989.63

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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.