Home / 42,898.40-64,276.44-30,356.24

Finding the Fourth Proportional to 42,898.40, 64,276.44 and 30,356.24

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Solution

The fourth proportional to 42,898.40, 64,276.44 and 30,356.24 is: 45,484.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,898.40 : 64,276.44 = 30,356.24 : x
  2. Step 2: Convert to fraction form
    42,898.40/64,276.44 = 30,356.24/x
  3. Step 3: Cross multiply
    42,898.40x = 64,276.44 × 30,356.24
  4. Step 4: Simplify right side
    42,898.40x = 1,951,191,038.99
  5. Step 5: Solve for x
    x = 1,951,191,038.99/42,898.40
  6. Step 6: Final answer
    x = 45,484.00

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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.