Home / 39,444.90-59,145.47-13,135.29

Finding the Fourth Proportional to 39,444.90, 59,145.47 and 13,135.29

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Solution

The fourth proportional to 39,444.90, 59,145.47 and 13,135.29 is: 19,695.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,444.90 : 59,145.47 = 13,135.29 : x
  2. Step 2: Convert to fraction form
    39,444.90/59,145.47 = 13,135.29/x
  3. Step 3: Cross multiply
    39,444.90x = 59,145.47 × 13,135.29
  4. Step 4: Simplify right side
    39,444.90x = 776,892,900.64
  5. Step 5: Solve for x
    x = 776,892,900.64/39,444.90
  6. Step 6: Final answer
    x = 19,695.65

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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.