Home / 51,929.04-77,860.29-21,935.13

Finding the Fourth Proportional to 51,929.04, 77,860.29 and 21,935.13

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Solution

The fourth proportional to 51,929.04, 77,860.29 and 21,935.13 is: 32,888.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,929.04 : 77,860.29 = 21,935.13 : x
  2. Step 2: Convert to fraction form
    51,929.04/77,860.29 = 21,935.13/x
  3. Step 3: Cross multiply
    51,929.04x = 77,860.29 × 21,935.13
  4. Step 4: Simplify right side
    51,929.04x = 1,707,875,582.99
  5. Step 5: Solve for x
    x = 1,707,875,582.99/51,929.04
  6. Step 6: Final answer
    x = 32,888.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.