Home / 35,070.84-48,402.36-20,931.48

Finding the Fourth Proportional to 35,070.84, 48,402.36 and 20,931.48

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Solution

The fourth proportional to 35,070.84, 48,402.36 and 20,931.48 is: 28,888.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,070.84 : 48,402.36 = 20,931.48 : x
  2. Step 2: Convert to fraction form
    35,070.84/48,402.36 = 20,931.48/x
  3. Step 3: Cross multiply
    35,070.84x = 48,402.36 × 20,931.48
  4. Step 4: Simplify right side
    35,070.84x = 1,013,133,030.29
  5. Step 5: Solve for x
    x = 1,013,133,030.29/35,070.84
  6. Step 6: Final answer
    x = 28,888.19

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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.