Home / 38,430.02-57,648.68-13,476.35

Finding the Fourth Proportional to 38,430.02, 57,648.68 and 13,476.35

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Solution

The fourth proportional to 38,430.02, 57,648.68 and 13,476.35 is: 20,215.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,430.02 : 57,648.68 = 13,476.35 : x
  2. Step 2: Convert to fraction form
    38,430.02/57,648.68 = 13,476.35/x
  3. Step 3: Cross multiply
    38,430.02x = 57,648.68 × 13,476.35
  4. Step 4: Simplify right side
    38,430.02x = 776,893,788.72
  5. Step 5: Solve for x
    x = 776,893,788.72/38,430.02
  6. Step 6: Final answer
    x = 20,215.80

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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.