Home / 42,681.40-63,935.70-29,548.60

Finding the Fourth Proportional to 42,681.40, 63,935.70 and 29,548.60

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Solution

The fourth proportional to 42,681.40, 63,935.70 and 29,548.60 is: 44,263.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,681.40 : 63,935.70 = 29,548.60 : x
  2. Step 2: Convert to fraction form
    42,681.40/63,935.70 = 29,548.60/x
  3. Step 3: Cross multiply
    42,681.40x = 63,935.70 × 29,548.60
  4. Step 4: Simplify right side
    42,681.40x = 1,889,210,425.02
  5. Step 5: Solve for x
    x = 1,889,210,425.02/42,681.40
  6. Step 6: Final answer
    x = 44,263.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.