Home / 35,681.63-49,240.64-21,534.47

Finding the Fourth Proportional to 35,681.63, 49,240.64 and 21,534.47

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Solution

The fourth proportional to 35,681.63, 49,240.64 and 21,534.47 is: 29,717.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,681.63 : 49,240.64 = 21,534.47 : x
  2. Step 2: Convert to fraction form
    35,681.63/49,240.64 = 21,534.47/x
  3. Step 3: Cross multiply
    35,681.63x = 49,240.64 × 21,534.47
  4. Step 4: Simplify right side
    35,681.63x = 1,060,371,077.15
  5. Step 5: Solve for x
    x = 1,060,371,077.15/35,681.63
  6. Step 6: Final answer
    x = 29,717.57

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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.