Home / 37,547.84-51,816.48-20,782.40

Finding the Fourth Proportional to 37,547.84, 51,816.48 and 20,782.40

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Solution

The fourth proportional to 37,547.84, 51,816.48 and 20,782.40 is: 28,679.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,547.84 : 51,816.48 = 20,782.40 : x
  2. Step 2: Convert to fraction form
    37,547.84/51,816.48 = 20,782.40/x
  3. Step 3: Cross multiply
    37,547.84x = 51,816.48 × 20,782.40
  4. Step 4: Simplify right side
    37,547.84x = 1,076,870,813.95
  5. Step 5: Solve for x
    x = 1,076,870,813.95/37,547.84
  6. Step 6: Final answer
    x = 28,679.97

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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.