Home / 53,005.70-73,143.56-30,339.53

Finding the Fourth Proportional to 53,005.70, 73,143.56 and 30,339.53

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Solution

The fourth proportional to 53,005.70, 73,143.56 and 30,339.53 is: 41,866.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,005.70 : 73,143.56 = 30,339.53 : x
  2. Step 2: Convert to fraction form
    53,005.70/73,143.56 = 30,339.53/x
  3. Step 3: Cross multiply
    53,005.70x = 73,143.56 × 30,339.53
  4. Step 4: Simplify right side
    53,005.70x = 2,219,140,715.51
  5. Step 5: Solve for x
    x = 2,219,140,715.51/53,005.70
  6. Step 6: Final answer
    x = 41,866.08

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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.