Home / 38,835.51-58,238.88-13,868.88

Finding the Fourth Proportional to 38,835.51, 58,238.88 and 13,868.88

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Solution

The fourth proportional to 38,835.51, 58,238.88 and 13,868.88 is: 20,798.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,835.51 : 58,238.88 = 13,868.88 : x
  2. Step 2: Convert to fraction form
    38,835.51/58,238.88 = 13,868.88/x
  3. Step 3: Cross multiply
    38,835.51x = 58,238.88 × 13,868.88
  4. Step 4: Simplify right side
    38,835.51x = 807,708,038.05
  5. Step 5: Solve for x
    x = 807,708,038.05/38,835.51
  6. Step 6: Final answer
    x = 20,798.18

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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.