Home / 34,159.60-51,237.48-13,109.68

Finding the Fourth Proportional to 34,159.60, 51,237.48 and 13,109.68

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Solution

The fourth proportional to 34,159.60, 51,237.48 and 13,109.68 is: 19,663.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,159.60 : 51,237.48 = 13,109.68 : x
  2. Step 2: Convert to fraction form
    34,159.60/51,237.48 = 13,109.68/x
  3. Step 3: Cross multiply
    34,159.60x = 51,237.48 × 13,109.68
  4. Step 4: Simplify right side
    34,159.60x = 671,706,966.81
  5. Step 5: Solve for x
    x = 671,706,966.81/34,159.60
  6. Step 6: Final answer
    x = 19,663.78

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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.