Home / 34,362.18-47,419.95-20,030.51

Finding the Fourth Proportional to 34,362.18, 47,419.95 and 20,030.51

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Solution

The fourth proportional to 34,362.18, 47,419.95 and 20,030.51 is: 27,642.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,362.18 : 47,419.95 = 20,030.51 : x
  2. Step 2: Convert to fraction form
    34,362.18/47,419.95 = 20,030.51/x
  3. Step 3: Cross multiply
    34,362.18x = 47,419.95 × 20,030.51
  4. Step 4: Simplify right side
    34,362.18x = 949,845,545.57
  5. Step 5: Solve for x
    x = 949,845,545.57/34,362.18
  6. Step 6: Final answer
    x = 27,642.18

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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.