Home / 38,077.70-52,547.21-21,310.70

Finding the Fourth Proportional to 38,077.70, 52,547.21 and 21,310.70

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Solution

The fourth proportional to 38,077.70, 52,547.21 and 21,310.70 is: 29,408.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,077.70 : 52,547.21 = 21,310.70 : x
  2. Step 2: Convert to fraction form
    38,077.70/52,547.21 = 21,310.70/x
  3. Step 3: Cross multiply
    38,077.70x = 52,547.21 × 21,310.70
  4. Step 4: Simplify right side
    38,077.70x = 1,119,817,565.41
  5. Step 5: Solve for x
    x = 1,119,817,565.41/38,077.70
  6. Step 6: Final answer
    x = 29,408.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.