Home / 53,293.47-73,547.37-30,639.81

Finding the Fourth Proportional to 53,293.47, 73,547.37 and 30,639.81

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Solution

The fourth proportional to 53,293.47, 73,547.37 and 30,639.81 is: 42,284.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,293.47 : 73,547.37 = 30,639.81 : x
  2. Step 2: Convert to fraction form
    53,293.47/73,547.37 = 30,639.81/x
  3. Step 3: Cross multiply
    53,293.47x = 73,547.37 × 30,639.81
  4. Step 4: Simplify right side
    53,293.47x = 2,253,477,442.80
  5. Step 5: Solve for x
    x = 2,253,477,442.80/53,293.47
  6. Step 6: Final answer
    x = 42,284.31

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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.