Home / 42,875.45-64,313.17-17,901.90

Finding the Fourth Proportional to 42,875.45, 64,313.17 and 17,901.90

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Solution

The fourth proportional to 42,875.45, 64,313.17 and 17,901.90 is: 26,852.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,875.45 : 64,313.17 = 17,901.90 : x
  2. Step 2: Convert to fraction form
    42,875.45/64,313.17 = 17,901.90/x
  3. Step 3: Cross multiply
    42,875.45x = 64,313.17 × 17,901.90
  4. Step 4: Simplify right side
    42,875.45x = 1,151,327,526.95
  5. Step 5: Solve for x
    x = 1,151,327,526.95/42,875.45
  6. Step 6: Final answer
    x = 26,852.84

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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.