Home / 34,275.36-47,300.63-20,847.18

Finding the Fourth Proportional to 34,275.36, 47,300.63 and 20,847.18

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Solution

The fourth proportional to 34,275.36, 47,300.63 and 20,847.18 is: 28,769.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,275.36 : 47,300.63 = 20,847.18 : x
  2. Step 2: Convert to fraction form
    34,275.36/47,300.63 = 20,847.18/x
  3. Step 3: Cross multiply
    34,275.36x = 47,300.63 × 20,847.18
  4. Step 4: Simplify right side
    34,275.36x = 986,084,643.49
  5. Step 5: Solve for x
    x = 986,084,643.49/34,275.36
  6. Step 6: Final answer
    x = 28,769.49

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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.