Home / 53,854.29-74,315.34-29,980.35

Finding the Fourth Proportional to 53,854.29, 74,315.34 and 29,980.35

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Solution

The fourth proportional to 53,854.29, 74,315.34 and 29,980.35 is: 41,370.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,854.29 : 74,315.34 = 29,980.35 : x
  2. Step 2: Convert to fraction form
    53,854.29/74,315.34 = 29,980.35/x
  3. Step 3: Cross multiply
    53,854.29x = 74,315.34 × 29,980.35
  4. Step 4: Simplify right side
    53,854.29x = 2,227,999,903.57
  5. Step 5: Solve for x
    x = 2,227,999,903.57/53,854.29
  6. Step 6: Final answer
    x = 41,370.89

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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.