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Finding the Fourth Proportional to 53,574.74, 73,934.93 and 29,699.99

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Solution

The fourth proportional to 53,574.74, 73,934.93 and 29,699.99 is: 40,986.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,574.74 : 73,934.93 = 29,699.99 : x
  2. Step 2: Convert to fraction form
    53,574.74/73,934.93 = 29,699.99/x
  3. Step 3: Cross multiply
    53,574.74x = 73,934.93 × 29,699.99
  4. Step 4: Simplify right side
    53,574.74x = 2,195,866,386.23
  5. Step 5: Solve for x
    x = 2,195,866,386.23/53,574.74
  6. Step 6: Final answer
    x = 40,986.98

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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.