Home / 55,130.64-76,068.69-36,038.52

Finding the Fourth Proportional to 55,130.64, 76,068.69 and 36,038.52

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Solution

The fourth proportional to 55,130.64, 76,068.69 and 36,038.52 is: 49,725.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,130.64 : 76,068.69 = 36,038.52 : x
  2. Step 2: Convert to fraction form
    55,130.64/76,068.69 = 36,038.52/x
  3. Step 3: Cross multiply
    55,130.64x = 76,068.69 × 36,038.52
  4. Step 4: Simplify right side
    55,130.64x = 2,741,402,445.40
  5. Step 5: Solve for x
    x = 2,741,402,445.40/55,130.64
  6. Step 6: Final answer
    x = 49,725.57

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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.