Home / 42,023.81-57,993.70-22,903.51

Finding the Fourth Proportional to 42,023.81, 57,993.70 and 22,903.51

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Solution

The fourth proportional to 42,023.81, 57,993.70 and 22,903.51 is: 31,607.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,023.81 : 57,993.70 = 22,903.51 : x
  2. Step 2: Convert to fraction form
    42,023.81/57,993.70 = 22,903.51/x
  3. Step 3: Cross multiply
    42,023.81x = 57,993.70 × 22,903.51
  4. Step 4: Simplify right side
    42,023.81x = 1,328,259,172.91
  5. Step 5: Solve for x
    x = 1,328,259,172.91/42,023.81
  6. Step 6: Final answer
    x = 31,607.30

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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.