Home / 61,411.79-84,749.06-34,554.35

Finding the Fourth Proportional to 61,411.79, 84,749.06 and 34,554.35

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Solution

The fourth proportional to 61,411.79, 84,749.06 and 34,554.35 is: 47,685.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,411.79 : 84,749.06 = 34,554.35 : x
  2. Step 2: Convert to fraction form
    61,411.79/84,749.06 = 34,554.35/x
  3. Step 3: Cross multiply
    61,411.79x = 84,749.06 × 34,554.35
  4. Step 4: Simplify right side
    61,411.79x = 2,928,448,979.67
  5. Step 5: Solve for x
    x = 2,928,448,979.67/61,411.79
  6. Step 6: Final answer
    x = 47,685.45

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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.