Home / 42,699.81-58,953.18-27,615.60

Finding the Fourth Proportional to 42,699.81, 58,953.18 and 27,615.60

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Solution

The fourth proportional to 42,699.81, 58,953.18 and 27,615.60 is: 38,127.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,699.81 : 58,953.18 = 27,615.60 : x
  2. Step 2: Convert to fraction form
    42,699.81/58,953.18 = 27,615.60/x
  3. Step 3: Cross multiply
    42,699.81x = 58,953.18 × 27,615.60
  4. Step 4: Simplify right side
    42,699.81x = 1,628,027,437.61
  5. Step 5: Solve for x
    x = 1,628,027,437.61/42,699.81
  6. Step 6: Final answer
    x = 38,127.28

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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.