Home / 42,888.24-64,332.36-19,521.36

Finding the Fourth Proportional to 42,888.24, 64,332.36 and 19,521.36

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Solution

The fourth proportional to 42,888.24, 64,332.36 and 19,521.36 is: 29,282.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,888.24 : 64,332.36 = 19,521.36 : x
  2. Step 2: Convert to fraction form
    42,888.24/64,332.36 = 19,521.36/x
  3. Step 3: Cross multiply
    42,888.24x = 64,332.36 × 19,521.36
  4. Step 4: Simplify right side
    42,888.24x = 1,255,855,159.21
  5. Step 5: Solve for x
    x = 1,255,855,159.21/42,888.24
  6. Step 6: Final answer
    x = 29,282.04

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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.