Home / 34,718.67-47,911.95-18,803.16

Finding the Fourth Proportional to 34,718.67, 47,911.95 and 18,803.16

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Solution

The fourth proportional to 34,718.67, 47,911.95 and 18,803.16 is: 25,948.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,718.67 : 47,911.95 = 18,803.16 : x
  2. Step 2: Convert to fraction form
    34,718.67/47,911.95 = 18,803.16/x
  3. Step 3: Cross multiply
    34,718.67x = 47,911.95 × 18,803.16
  4. Step 4: Simplify right side
    34,718.67x = 900,896,061.76
  5. Step 5: Solve for x
    x = 900,896,061.76/34,718.67
  6. Step 6: Final answer
    x = 25,948.46

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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.