Home / 39,392.28-59,088.36-11,690.28

Finding the Fourth Proportional to 39,392.28, 59,088.36 and 11,690.28

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Solution

The fourth proportional to 39,392.28, 59,088.36 and 11,690.28 is: 17,535.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,392.28 : 59,088.36 = 11,690.28 : x
  2. Step 2: Convert to fraction form
    39,392.28/59,088.36 = 11,690.28/x
  3. Step 3: Cross multiply
    39,392.28x = 59,088.36 × 11,690.28
  4. Step 4: Simplify right side
    39,392.28x = 690,759,473.14
  5. Step 5: Solve for x
    x = 690,759,473.14/39,392.28
  6. Step 6: Final answer
    x = 17,535.40

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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.