Home / 42,221.63-58,266.93-25,455.71

Finding the Fourth Proportional to 42,221.63, 58,266.93 and 25,455.71

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Solution

The fourth proportional to 42,221.63, 58,266.93 and 25,455.71 is: 35,129.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,221.63 : 58,266.93 = 25,455.71 : x
  2. Step 2: Convert to fraction form
    42,221.63/58,266.93 = 25,455.71/x
  3. Step 3: Cross multiply
    42,221.63x = 58,266.93 × 25,455.71
  4. Step 4: Simplify right side
    42,221.63x = 1,483,225,781.34
  5. Step 5: Solve for x
    x = 1,483,225,781.34/42,221.63
  6. Step 6: Final answer
    x = 35,129.53

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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.