Home / 42,898.68-64,348.49-11,313.30

Finding the Fourth Proportional to 42,898.68, 64,348.49 and 11,313.30

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Solution

The fourth proportional to 42,898.68, 64,348.49 and 11,313.30 is: 16,970.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,898.68 : 64,348.49 = 11,313.30 : x
  2. Step 2: Convert to fraction form
    42,898.68/64,348.49 = 11,313.30/x
  3. Step 3: Cross multiply
    42,898.68x = 64,348.49 × 11,313.30
  4. Step 4: Simplify right side
    42,898.68x = 727,994,041.51
  5. Step 5: Solve for x
    x = 727,994,041.51/42,898.68
  6. Step 6: Final answer
    x = 16,970.08

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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.