Home / 61,215.26-84,485.28-34,359.23

Finding the Fourth Proportional to 61,215.26, 84,485.28 and 34,359.23

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Solution

The fourth proportional to 61,215.26, 84,485.28 and 34,359.23 is: 47,420.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,215.26 : 84,485.28 = 34,359.23 : x
  2. Step 2: Convert to fraction form
    61,215.26/84,485.28 = 34,359.23/x
  3. Step 3: Cross multiply
    61,215.26x = 84,485.28 × 34,359.23
  4. Step 4: Simplify right side
    61,215.26x = 2,902,848,744.71
  5. Step 5: Solve for x
    x = 2,902,848,744.71/61,215.26
  6. Step 6: Final answer
    x = 47,420.35

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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.