Home / 55,703.90-76,869.95-31,830.58

Finding the Fourth Proportional to 55,703.90, 76,869.95 and 31,830.58

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Solution

The fourth proportional to 55,703.90, 76,869.95 and 31,830.58 is: 43,925.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,703.90 : 76,869.95 = 31,830.58 : x
  2. Step 2: Convert to fraction form
    55,703.90/76,869.95 = 31,830.58/x
  3. Step 3: Cross multiply
    55,703.90x = 76,869.95 × 31,830.58
  4. Step 4: Simplify right side
    55,703.90x = 2,446,814,813.81
  5. Step 5: Solve for x
    x = 2,446,814,813.81/55,703.90
  6. Step 6: Final answer
    x = 43,925.38

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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.