Home / 35,319.60-48,742.70-19,405.53

Finding the Fourth Proportional to 35,319.60, 48,742.70 and 19,405.53

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Solution

The fourth proportional to 35,319.60, 48,742.70 and 19,405.53 is: 26,780.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,319.60 : 48,742.70 = 19,405.53 : x
  2. Step 2: Convert to fraction form
    35,319.60/48,742.70 = 19,405.53/x
  3. Step 3: Cross multiply
    35,319.60x = 48,742.70 × 19,405.53
  4. Step 4: Simplify right side
    35,319.60x = 945,877,830.10
  5. Step 5: Solve for x
    x = 945,877,830.10/35,319.60
  6. Step 6: Final answer
    x = 26,780.54

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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.