Home / 49,289.48-68,026.53-28,070.72

Finding the Fourth Proportional to 49,289.48, 68,026.53 and 28,070.72

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Solution

The fourth proportional to 49,289.48, 68,026.53 and 28,070.72 is: 38,741.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,289.48 : 68,026.53 = 28,070.72 : x
  2. Step 2: Convert to fraction form
    49,289.48/68,026.53 = 28,070.72/x
  3. Step 3: Cross multiply
    49,289.48x = 68,026.53 × 28,070.72
  4. Step 4: Simplify right side
    49,289.48x = 1,909,553,336.07
  5. Step 5: Solve for x
    x = 1,909,553,336.07/49,289.48
  6. Step 6: Final answer
    x = 38,741.60

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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.