Home / 35,681.45-53,522.01-10,721.39

Finding the Fourth Proportional to 35,681.45, 53,522.01 and 10,721.39

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Solution

The fourth proportional to 35,681.45, 53,522.01 and 10,721.39 is: 16,082.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,681.45 : 53,522.01 = 10,721.39 : x
  2. Step 2: Convert to fraction form
    35,681.45/53,522.01 = 10,721.39/x
  3. Step 3: Cross multiply
    35,681.45x = 53,522.01 × 10,721.39
  4. Step 4: Simplify right side
    35,681.45x = 573,830,075.18
  5. Step 5: Solve for x
    x = 573,830,075.18/35,681.45
  6. Step 6: Final answer
    x = 16,082.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.