Home / 53,894.12-74,371.40-30,020.56

Finding the Fourth Proportional to 53,894.12, 74,371.40 and 30,020.56

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Solution

The fourth proportional to 53,894.12, 74,371.40 and 30,020.56 is: 41,426.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,894.12 : 74,371.40 = 30,020.56 : x
  2. Step 2: Convert to fraction form
    53,894.12/74,371.40 = 30,020.56/x
  3. Step 3: Cross multiply
    53,894.12x = 74,371.40 × 30,020.56
  4. Step 4: Simplify right side
    53,894.12x = 2,232,671,075.98
  5. Step 5: Solve for x
    x = 2,232,671,075.98/53,894.12
  6. Step 6: Final answer
    x = 41,426.99

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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.