Home / 42,875.48-64,313.24-17,901.91

Finding the Fourth Proportional to 42,875.48, 64,313.24 and 17,901.91

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Solution

The fourth proportional to 42,875.48, 64,313.24 and 17,901.91 is: 26,852.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,875.48 : 64,313.24 = 17,901.91 : x
  2. Step 2: Convert to fraction form
    42,875.48/64,313.24 = 17,901.91/x
  3. Step 3: Cross multiply
    42,875.48x = 64,313.24 × 17,901.91
  4. Step 4: Simplify right side
    42,875.48x = 1,151,329,925.87
  5. Step 5: Solve for x
    x = 1,151,329,925.87/42,875.48
  6. Step 6: Final answer
    x = 26,852.88

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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.