Home / 53,885.40-74,364.15-30,012.08

Finding the Fourth Proportional to 53,885.40, 74,364.15 and 30,012.08

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Solution

The fourth proportional to 53,885.40, 74,364.15 and 30,012.08 is: 41,417.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,885.40 : 74,364.15 = 30,012.08 : x
  2. Step 2: Convert to fraction form
    53,885.40/74,364.15 = 30,012.08/x
  3. Step 3: Cross multiply
    53,885.40x = 74,364.15 × 30,012.08
  4. Step 4: Simplify right side
    53,885.40x = 2,231,822,818.93
  5. Step 5: Solve for x
    x = 2,231,822,818.93/53,885.40
  6. Step 6: Final answer
    x = 41,417.95

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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.