Home / 30,501.04-42,089.49-17,070.03

Finding the Fourth Proportional to 30,501.04, 42,089.49 and 17,070.03

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Solution

The fourth proportional to 30,501.04, 42,089.49 and 17,070.03 is: 23,555.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,501.04 : 42,089.49 = 17,070.03 : x
  2. Step 2: Convert to fraction form
    30,501.04/42,089.49 = 17,070.03/x
  3. Step 3: Cross multiply
    30,501.04x = 42,089.49 × 17,070.03
  4. Step 4: Simplify right side
    30,501.04x = 718,468,856.98
  5. Step 5: Solve for x
    x = 718,468,856.98/30,501.04
  6. Step 6: Final answer
    x = 23,555.55

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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.