Home / 42,977.19-64,538.49-28,009.74

Finding the Fourth Proportional to 42,977.19, 64,538.49 and 28,009.74

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Solution

The fourth proportional to 42,977.19, 64,538.49 and 28,009.74 is: 42,062.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,977.19 : 64,538.49 = 28,009.74 : x
  2. Step 2: Convert to fraction form
    42,977.19/64,538.49 = 28,009.74/x
  3. Step 3: Cross multiply
    42,977.19x = 64,538.49 × 28,009.74
  4. Step 4: Simplify right side
    42,977.19x = 1,807,706,671.95
  5. Step 5: Solve for x
    x = 1,807,706,671.95/42,977.19
  6. Step 6: Final answer
    x = 42,062.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.