Home / 39,870.40-59,334.95-38,541.64

Finding the Fourth Proportional to 39,870.40, 59,334.95 and 38,541.64

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Solution

The fourth proportional to 39,870.40, 59,334.95 and 38,541.64 is: 57,357.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,870.40 : 59,334.95 = 38,541.64 : x
  2. Step 2: Convert to fraction form
    39,870.40/59,334.95 = 38,541.64/x
  3. Step 3: Cross multiply
    39,870.40x = 59,334.95 × 38,541.64
  4. Step 4: Simplify right side
    39,870.40x = 2,286,866,282.32
  5. Step 5: Solve for x
    x = 2,286,866,282.32/39,870.40
  6. Step 6: Final answer
    x = 57,357.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.