Home / 46,378.68-63,955.40-39,686.46

Finding the Fourth Proportional to 46,378.68, 63,955.40 and 39,686.46

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Solution

The fourth proportional to 46,378.68, 63,955.40 and 39,686.46 is: 54,726.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,378.68 : 63,955.40 = 39,686.46 : x
  2. Step 2: Convert to fraction form
    46,378.68/63,955.40 = 39,686.46/x
  3. Step 3: Cross multiply
    46,378.68x = 63,955.40 × 39,686.46
  4. Step 4: Simplify right side
    46,378.68x = 2,538,163,423.88
  5. Step 5: Solve for x
    x = 2,538,163,423.88/46,378.68
  6. Step 6: Final answer
    x = 54,726.94

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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.