Home / 43,875.18-65,812.89-14,295.32

Finding the Fourth Proportional to 43,875.18, 65,812.89 and 14,295.32

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Solution

The fourth proportional to 43,875.18, 65,812.89 and 14,295.32 is: 21,443.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,875.18 : 65,812.89 = 14,295.32 : x
  2. Step 2: Convert to fraction form
    43,875.18/65,812.89 = 14,295.32/x
  3. Step 3: Cross multiply
    43,875.18x = 65,812.89 × 14,295.32
  4. Step 4: Simplify right side
    43,875.18x = 940,816,322.67
  5. Step 5: Solve for x
    x = 940,816,322.67/43,875.18
  6. Step 6: Final answer
    x = 21,443.02

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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.