Home / 53,421.40-73,722.18-29,547.46

Finding the Fourth Proportional to 53,421.40, 73,722.18 and 29,547.46

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Solution

The fourth proportional to 53,421.40, 73,722.18 and 29,547.46 is: 40,775.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,421.40 : 73,722.18 = 29,547.46 : x
  2. Step 2: Convert to fraction form
    53,421.40/73,722.18 = 29,547.46/x
  3. Step 3: Cross multiply
    53,421.40x = 73,722.18 × 29,547.46
  4. Step 4: Simplify right side
    53,421.40x = 2,178,303,164.66
  5. Step 5: Solve for x
    x = 2,178,303,164.66/53,421.40
  6. Step 6: Final answer
    x = 40,775.85

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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.