Home / 31,355.18-47,037.35-14,716.90

Finding the Fourth Proportional to 31,355.18, 47,037.35 and 14,716.90

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Solution

The fourth proportional to 31,355.18, 47,037.35 and 14,716.90 is: 22,077.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,355.18 : 47,037.35 = 14,716.90 : x
  2. Step 2: Convert to fraction form
    31,355.18/47,037.35 = 14,716.90/x
  3. Step 3: Cross multiply
    31,355.18x = 47,037.35 × 14,716.90
  4. Step 4: Simplify right side
    31,355.18x = 692,243,895.41
  5. Step 5: Solve for x
    x = 692,243,895.41/31,355.18
  6. Step 6: Final answer
    x = 22,077.50

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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.