Home / 42,956.70-64,460.16-17,994.63

Finding the Fourth Proportional to 42,956.70, 64,460.16 and 17,994.63

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Solution

The fourth proportional to 42,956.70, 64,460.16 and 17,994.63 is: 27,002.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,956.70 : 64,460.16 = 17,994.63 : x
  2. Step 2: Convert to fraction form
    42,956.70/64,460.16 = 17,994.63/x
  3. Step 3: Cross multiply
    42,956.70x = 64,460.16 × 17,994.63
  4. Step 4: Simplify right side
    42,956.70x = 1,159,936,728.94
  5. Step 5: Solve for x
    x = 1,159,936,728.94/42,956.70
  6. Step 6: Final answer
    x = 27,002.46

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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.