Home / 46,988.83-70,486.10-18,908.78

Finding the Fourth Proportional to 46,988.83, 70,486.10 and 18,908.78

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Solution

The fourth proportional to 46,988.83, 70,486.10 and 18,908.78 is: 28,364.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,988.83 : 70,486.10 = 18,908.78 : x
  2. Step 2: Convert to fraction form
    46,988.83/70,486.10 = 18,908.78/x
  3. Step 3: Cross multiply
    46,988.83x = 70,486.10 × 18,908.78
  4. Step 4: Simplify right side
    46,988.83x = 1,332,806,079.25
  5. Step 5: Solve for x
    x = 1,332,806,079.25/46,988.83
  6. Step 6: Final answer
    x = 28,364.31

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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.