Home / 34,637.16-47,798.96-18,721.46

Finding the Fourth Proportional to 34,637.16, 47,798.96 and 18,721.46

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Solution

The fourth proportional to 34,637.16, 47,798.96 and 18,721.46 is: 25,835.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,637.16 : 47,798.96 = 18,721.46 : x
  2. Step 2: Convert to fraction form
    34,637.16/47,798.96 = 18,721.46/x
  3. Step 3: Cross multiply
    34,637.16x = 47,798.96 × 18,721.46
  4. Step 4: Simplify right side
    34,637.16x = 894,866,317.68
  5. Step 5: Solve for x
    x = 894,866,317.68/34,637.16
  6. Step 6: Final answer
    x = 25,835.44

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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.