Home / 39,938.38-59,907.57-13,643.35

Finding the Fourth Proportional to 39,938.38, 59,907.57 and 13,643.35

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Solution

The fourth proportional to 39,938.38, 59,907.57 and 13,643.35 is: 20,465.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,938.38 : 59,907.57 = 13,643.35 : x
  2. Step 2: Convert to fraction form
    39,938.38/59,907.57 = 13,643.35/x
  3. Step 3: Cross multiply
    39,938.38x = 59,907.57 × 13,643.35
  4. Step 4: Simplify right side
    39,938.38x = 817,339,744.23
  5. Step 5: Solve for x
    x = 817,339,744.23/39,938.38
  6. Step 6: Final answer
    x = 20,465.02

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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.