Home / 39,407.16-58,681.59-38,970.84

Finding the Fourth Proportional to 39,407.16, 58,681.59 and 38,970.84

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Solution

The fourth proportional to 39,407.16, 58,681.59 and 38,970.84 is: 58,031.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,407.16 : 58,681.59 = 38,970.84 : x
  2. Step 2: Convert to fraction form
    39,407.16/58,681.59 = 38,970.84/x
  3. Step 3: Cross multiply
    39,407.16x = 58,681.59 × 38,970.84
  4. Step 4: Simplify right side
    39,407.16x = 2,286,870,854.84
  5. Step 5: Solve for x
    x = 2,286,870,854.84/39,407.16
  6. Step 6: Final answer
    x = 58,031.86

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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.