Home / 43,875.54-65,818.78-14,285.43

Finding the Fourth Proportional to 43,875.54, 65,818.78 and 14,285.43

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Solution

The fourth proportional to 43,875.54, 65,818.78 and 14,285.43 is: 21,429.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,875.54 : 65,818.78 = 14,285.43 : x
  2. Step 2: Convert to fraction form
    43,875.54/65,818.78 = 14,285.43/x
  3. Step 3: Cross multiply
    43,875.54x = 65,818.78 × 14,285.43
  4. Step 4: Simplify right side
    43,875.54x = 940,249,574.38
  5. Step 5: Solve for x
    x = 940,249,574.38/43,875.54
  6. Step 6: Final answer
    x = 21,429.93

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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.