Home / 42,977.60-64,300.80-26,334.08

Finding the Fourth Proportional to 42,977.60, 64,300.80 and 26,334.08

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Solution

The fourth proportional to 42,977.60, 64,300.80 and 26,334.08 is: 39,399.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,977.60 : 64,300.80 = 26,334.08 : x
  2. Step 2: Convert to fraction form
    42,977.60/64,300.80 = 26,334.08/x
  3. Step 3: Cross multiply
    42,977.60x = 64,300.80 × 26,334.08
  4. Step 4: Simplify right side
    42,977.60x = 1,693,302,411.26
  5. Step 5: Solve for x
    x = 1,693,302,411.26/42,977.60
  6. Step 6: Final answer
    x = 39,399.65

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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.