Home / 56,030.43-77,322.02-30,536.81

Finding the Fourth Proportional to 56,030.43, 77,322.02 and 30,536.81

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Solution

The fourth proportional to 56,030.43, 77,322.02 and 30,536.81 is: 42,140.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,030.43 : 77,322.02 = 30,536.81 : x
  2. Step 2: Convert to fraction form
    56,030.43/77,322.02 = 30,536.81/x
  3. Step 3: Cross multiply
    56,030.43x = 77,322.02 × 30,536.81
  4. Step 4: Simplify right side
    56,030.43x = 2,361,167,294.26
  5. Step 5: Solve for x
    x = 2,361,167,294.26/56,030.43
  6. Step 6: Final answer
    x = 42,140.80

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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.