Home / 30,470.43-42,050.33-17,041.65

Finding the Fourth Proportional to 30,470.43, 42,050.33 and 17,041.65

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Solution

The fourth proportional to 30,470.43, 42,050.33 and 17,041.65 is: 23,518.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,470.43 : 42,050.33 = 17,041.65 : x
  2. Step 2: Convert to fraction form
    30,470.43/42,050.33 = 17,041.65/x
  3. Step 3: Cross multiply
    30,470.43x = 42,050.33 × 17,041.65
  4. Step 4: Simplify right side
    30,470.43x = 716,607,006.24
  5. Step 5: Solve for x
    x = 716,607,006.24/30,470.43
  6. Step 6: Final answer
    x = 23,518.11

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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.