Home / 66,721.07-92,075.14-38,426.82

Finding the Fourth Proportional to 66,721.07, 92,075.14 and 38,426.82

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Solution

The fourth proportional to 66,721.07, 92,075.14 and 38,426.82 is: 53,029.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,721.07 : 92,075.14 = 38,426.82 : x
  2. Step 2: Convert to fraction form
    66,721.07/92,075.14 = 38,426.82/x
  3. Step 3: Cross multiply
    66,721.07x = 92,075.14 × 38,426.82
  4. Step 4: Simplify right side
    66,721.07x = 3,538,154,639.12
  5. Step 5: Solve for x
    x = 3,538,154,639.12/66,721.07
  6. Step 6: Final answer
    x = 53,029.05

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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.