Home / 55,746.53-76,934-31,547.51

Finding the Fourth Proportional to 55,746.53, 76,934 and 31,547.51

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Solution

The fourth proportional to 55,746.53, 76,934 and 31,547.51 is: 43,537.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,746.53 : 76,934 = 31,547.51 : x
  2. Step 2: Convert to fraction form
    55,746.53/76,934 = 31,547.51/x
  3. Step 3: Cross multiply
    55,746.53x = 76,934 × 31,547.51
  4. Step 4: Simplify right side
    55,746.53x = 2,427,076,134.34
  5. Step 5: Solve for x
    x = 2,427,076,134.34/55,746.53
  6. Step 6: Final answer
    x = 43,537.71

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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.