Home / 42,888.65-64,300.50-19,167.44

Finding the Fourth Proportional to 42,888.65, 64,300.50 and 19,167.44

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Solution

The fourth proportional to 42,888.65, 64,300.50 and 19,167.44 is: 28,736.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,888.65 : 64,300.50 = 19,167.44 : x
  2. Step 2: Convert to fraction form
    42,888.65/64,300.50 = 19,167.44/x
  3. Step 3: Cross multiply
    42,888.65x = 64,300.50 × 19,167.44
  4. Step 4: Simplify right side
    42,888.65x = 1,232,475,654.22
  5. Step 5: Solve for x
    x = 1,232,475,654.22/42,888.65
  6. Step 6: Final answer
    x = 28,736.64

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1.5x scale

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.