Home / 42,812.92-64,225.53-13,233.06

Finding the Fourth Proportional to 42,812.92, 64,225.53 and 13,233.06

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Solution

The fourth proportional to 42,812.92, 64,225.53 and 13,233.06 is: 19,851.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,812.92 : 64,225.53 = 13,233.06 : x
  2. Step 2: Convert to fraction form
    42,812.92/64,225.53 = 13,233.06/x
  3. Step 3: Cross multiply
    42,812.92x = 64,225.53 × 13,233.06
  4. Step 4: Simplify right side
    42,812.92x = 849,900,155.18
  5. Step 5: Solve for x
    x = 849,900,155.18/42,812.92
  6. Step 6: Final answer
    x = 19,851.49

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1.5x scale

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.