Home / 35,346.64-48,778.90-19,430.96

Finding the Fourth Proportional to 35,346.64, 48,778.90 and 19,430.96

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Solution

The fourth proportional to 35,346.64, 48,778.90 and 19,430.96 is: 26,815.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,346.64 : 48,778.90 = 19,430.96 : x
  2. Step 2: Convert to fraction form
    35,346.64/48,778.90 = 19,430.96/x
  3. Step 3: Cross multiply
    35,346.64x = 48,778.90 × 19,430.96
  4. Step 4: Simplify right side
    35,346.64x = 947,820,854.74
  5. Step 5: Solve for x
    x = 947,820,854.74/35,346.64
  6. Step 6: Final answer
    x = 26,815.02

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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.