Home / 39,589.40-59,301.30-18,547.40

Finding the Fourth Proportional to 39,589.40, 59,301.30 and 18,547.40

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Solution

The fourth proportional to 39,589.40, 59,301.30 and 18,547.40 is: 27,782.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,589.40 : 59,301.30 = 18,547.40 : x
  2. Step 2: Convert to fraction form
    39,589.40/59,301.30 = 18,547.40/x
  3. Step 3: Cross multiply
    39,589.40x = 59,301.30 × 18,547.40
  4. Step 4: Simplify right side
    39,589.40x = 1,099,884,931.62
  5. Step 5: Solve for x
    x = 1,099,884,931.62/39,589.40
  6. Step 6: Final answer
    x = 27,782.31

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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.