Home / 42,009.04-63,301.63-34,775.80

Finding the Fourth Proportional to 42,009.04, 63,301.63 and 34,775.80

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Solution

The fourth proportional to 42,009.04, 63,301.63 and 34,775.80 is: 52,402.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,009.04 : 63,301.63 = 34,775.80 : x
  2. Step 2: Convert to fraction form
    42,009.04/63,301.63 = 34,775.80/x
  3. Step 3: Cross multiply
    42,009.04x = 63,301.63 × 34,775.80
  4. Step 4: Simplify right side
    42,009.04x = 2,201,364,824.55
  5. Step 5: Solve for x
    x = 2,201,364,824.55/42,009.04
  6. Step 6: Final answer
    x = 52,402.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.