Home / 42,929.52-64,394.28-19,582.08

Finding the Fourth Proportional to 42,929.52, 64,394.28 and 19,582.08

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Solution

The fourth proportional to 42,929.52, 64,394.28 and 19,582.08 is: 29,373.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,929.52 : 64,394.28 = 19,582.08 : x
  2. Step 2: Convert to fraction form
    42,929.52/64,394.28 = 19,582.08/x
  3. Step 3: Cross multiply
    42,929.52x = 64,394.28 × 19,582.08
  4. Step 4: Simplify right side
    42,929.52x = 1,260,973,942.50
  5. Step 5: Solve for x
    x = 1,260,973,942.50/42,929.52
  6. Step 6: Final answer
    x = 29,373.12

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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.