Home / 70,268.45-105,402.80-17,677.58

Finding the Fourth Proportional to 70,268.45, 105,402.80 and 17,677.58

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Solution

The fourth proportional to 70,268.45, 105,402.80 and 17,677.58 is: 26,516.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,268.45 : 105,402.80 = 17,677.58 : x
  2. Step 2: Convert to fraction form
    70,268.45/105,402.80 = 17,677.58/x
  3. Step 3: Cross multiply
    70,268.45x = 105,402.80 × 17,677.58
  4. Step 4: Simplify right side
    70,268.45x = 1,863,265,946.40
  5. Step 5: Solve for x
    x = 1,863,265,946.40/70,268.45
  6. Step 6: Final answer
    x = 26,516.40

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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.