Home / 35,488,438.34-48,955,426.10-30,831,760.40

Finding the Fourth Proportional to 35,488,438.34, 48,955,426.10 and 30,831,760.40

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Solution

The fourth proportional to 35,488,438.34, 48,955,426.10 and 30,831,760.40 is: 42,531,653.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,488,438.34 : 48,955,426.10 = 30,831,760.40 : x
  2. Step 2: Convert to fraction form
    35,488,438.34/48,955,426.10 = 30,831,760.40/x
  3. Step 3: Cross multiply
    35,488,438.34x = 48,955,426.10 × 30,831,760.40
  4. Step 4: Simplify right side
    35,488,438.34x = 1,509,381,967,795,106.50
  5. Step 5: Solve for x
    x = 1,509,381,967,795,106.50/35,488,438.34
  6. Step 6: Final answer
    x = 42,531,653.64

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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.