Home / 39,678.71-59,522.58-14,390.13

Finding the Fourth Proportional to 39,678.71, 59,522.58 and 14,390.13

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Solution

The fourth proportional to 39,678.71, 59,522.58 and 14,390.13 is: 21,586.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,678.71 : 59,522.58 = 14,390.13 : x
  2. Step 2: Convert to fraction form
    39,678.71/59,522.58 = 14,390.13/x
  3. Step 3: Cross multiply
    39,678.71x = 59,522.58 × 14,390.13
  4. Step 4: Simplify right side
    39,678.71x = 856,537,887.35
  5. Step 5: Solve for x
    x = 856,537,887.35/39,678.71
  6. Step 6: Final answer
    x = 21,586.84

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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.