Home / 30,501.76-42,054.47-23,340.55

Finding the Fourth Proportional to 30,501.76, 42,054.47 and 23,340.55

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Solution

The fourth proportional to 30,501.76, 42,054.47 and 23,340.55 is: 32,180.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,501.76 : 42,054.47 = 23,340.55 : x
  2. Step 2: Convert to fraction form
    30,501.76/42,054.47 = 23,340.55/x
  3. Step 3: Cross multiply
    30,501.76x = 42,054.47 × 23,340.55
  4. Step 4: Simplify right side
    30,501.76x = 981,574,459.76
  5. Step 5: Solve for x
    x = 981,574,459.76/30,501.76
  6. Step 6: Final answer
    x = 32,180.91

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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.