Home / 52,389.07-78,582.84-12,946.19

Finding the Fourth Proportional to 52,389.07, 78,582.84 and 12,946.19

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Solution

The fourth proportional to 52,389.07, 78,582.84 and 12,946.19 is: 19,419.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,389.07 : 78,582.84 = 12,946.19 : x
  2. Step 2: Convert to fraction form
    52,389.07/78,582.84 = 12,946.19/x
  3. Step 3: Cross multiply
    52,389.07x = 78,582.84 × 12,946.19
  4. Step 4: Simplify right side
    52,389.07x = 1,017,348,036.68
  5. Step 5: Solve for x
    x = 1,017,348,036.68/52,389.07
  6. Step 6: Final answer
    x = 19,419.09

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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.