Home / 37,870.84-52,261.40-20,875.76

Finding the Fourth Proportional to 37,870.84, 52,261.40 and 20,875.76

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Solution

The fourth proportional to 37,870.84, 52,261.40 and 20,875.76 is: 28,808.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,870.84 : 52,261.40 = 20,875.76 : x
  2. Step 2: Convert to fraction form
    37,870.84/52,261.40 = 20,875.76/x
  3. Step 3: Cross multiply
    37,870.84x = 52,261.40 × 20,875.76
  4. Step 4: Simplify right side
    37,870.84x = 1,090,996,430.53
  5. Step 5: Solve for x
    x = 1,090,996,430.53/37,870.84
  6. Step 6: Final answer
    x = 28,808.35

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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.