Home / 60,864.42-84,006.93-39,606.78

Finding the Fourth Proportional to 60,864.42, 84,006.93 and 39,606.78

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Solution

The fourth proportional to 60,864.42, 84,006.93 and 39,606.78 is: 54,666.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,864.42 : 84,006.93 = 39,606.78 : x
  2. Step 2: Convert to fraction form
    60,864.42/84,006.93 = 39,606.78/x
  3. Step 3: Cross multiply
    60,864.42x = 84,006.93 × 39,606.78
  4. Step 4: Simplify right side
    60,864.42x = 3,327,243,994.99
  5. Step 5: Solve for x
    x = 3,327,243,994.99/60,864.42
  6. Step 6: Final answer
    x = 54,666.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.