Home / 56,030.63-77,322.29-30,880.13

Finding the Fourth Proportional to 56,030.63, 77,322.29 and 30,880.13

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Solution

The fourth proportional to 56,030.63, 77,322.29 and 30,880.13 is: 42,614.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,030.63 : 77,322.29 = 30,880.13 : x
  2. Step 2: Convert to fraction form
    56,030.63/77,322.29 = 30,880.13/x
  3. Step 3: Cross multiply
    56,030.63x = 77,322.29 × 30,880.13
  4. Step 4: Simplify right side
    56,030.63x = 2,387,721,826.09
  5. Step 5: Solve for x
    x = 2,387,721,826.09/56,030.63
  6. Step 6: Final answer
    x = 42,614.58

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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.