Home / 61,313.79-84,613.59-37,115.31

Finding the Fourth Proportional to 61,313.79, 84,613.59 and 37,115.31

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Solution

The fourth proportional to 61,313.79, 84,613.59 and 37,115.31 is: 51,219.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,313.79 : 84,613.59 = 37,115.31 : x
  2. Step 2: Convert to fraction form
    61,313.79/84,613.59 = 37,115.31/x
  3. Step 3: Cross multiply
    61,313.79x = 84,613.59 × 37,115.31
  4. Step 4: Simplify right side
    61,313.79x = 3,140,459,623.06
  5. Step 5: Solve for x
    x = 3,140,459,623.06/61,313.79
  6. Step 6: Final answer
    x = 51,219.47

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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.